<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use think\Db;

/**
 * 秒杀管理
 *
 * @icon fa fa-circle-o
 */
class Seckill extends Backend
{
    
    /**
     * Seckill模型对象
     * @var \app\admin\model\Seckill
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\Seckill;
        $this->seckill_goods_model = new \app\admin\model\SeckillGoods;
        $this->goods_model = new \app\admin\model\Goods;
        $this->view->assign("statusList", $this->model->getStatusList());
    }

    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */
    
    /**
     * 添加
     */
    public function add()
    {
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            if ($params) {
                $params = $this->preExcludeFields($params);

                if(strtotime($params['endtime']) <= strtotime($params['starttime'])) {
                    $this->error(__('结束时间必须大于开始时间'));
                }
                if((strtotime($params['endtime']) - strtotime($params['starttime'])) > 86400*3) {
                    $this->error(__('最多设置三天内的秒杀'));
                }

                $timeArr = [$params['starttime'], $params['endtime']];

                $diffnum = $this->model->where(function($query) use($timeArr){
                    $query->whereTime('starttime', 'between', $timeArr);
                })->whereOr(function($query) use($timeArr){
                    $query->whereTime('endtime', 'between', $timeArr);
                })->count();
                if($diffnum>0) {
                    $this->error(__('此时间段已有秒杀'));
                }

                $result = false;
                Db::startTrans();
                try {
                    $result = $this->model->allowField(true)->save($params);
                    Db::commit();
                } catch (PDOException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error(__('No rows were inserted'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        return $this->view->fetch();
    }

    /**
     * 编辑
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds)) {
            if (!in_array($row[$this->dataLimitField], $adminIds)) {
                $this->error(__('You have no permission'));
            }
        }
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            if ($params) {
                $params = $this->preExcludeFields($params);

                if(strtotime($params['endtime']) <= strtotime($params['starttime'])) {
                    $this->error(__('结束时间必须大于开始时间'));
                }
                if((strtotime($params['endtime']) - strtotime($params['starttime'])) > 86400*3) {
                    $this->error(__('最多设置三天内的秒杀'));
                }

                $timeArr = [$params['starttime'], $params['endtime']];

                $diffnum = $this->model->where(function($query)use($timeArr){
                    $query->where(function($query) use($timeArr){
                        $query->whereTime('starttime', 'between', $timeArr);
                    })->whereOr(function($query) use($timeArr){
                        $query->whereTime('endtime', 'between', $timeArr);
                    });
                })->where('id', '<>', $row->id)->count();
                if($diffnum>0) {
                    $this->error(__('此时间段已有秒杀'));
                }

                $result = false;
                Db::startTrans();
                try {
                    $result = $row->allowField(true)->save($params);
                    Db::commit();
                } catch (PDOException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error(__('No rows were updated'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $this->view->assign("row", $row);
        return $this->view->fetch();
    }

    /**
     * 修改状态
     */
    public function editStatus()
    {
        if ($this->request->isAjax()) {
            $id = $this->request->param('ids/d');
            $status = $this->request->param('params/d');
            if($id && $status) {
                $params = ['status'=>$status];
                $row = $this->seckill_goods_model->get($id);

                $result = false;
                Db::startTrans();
                try {
                    $result = $row->allowField(true)->save($params);
                    Db::commit();
                } catch (PDOException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error(__('No rows were updated'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
    }

    /**
     * 商品列表
     */
    public function goodslist()
    {
        //当前是否为关联查询
        $this->relationSearch = true;
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax()) {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();
            $total = $this->goods_model->with(['category3', 'category2', 'category1'])->where($where)
                ->order($sort, $order)->count();

            $list = $this->goods_model->with(['category3', 'category2', 'category1'])->where($where)
                ->order($sort, $order)->limit($offset, $limit)->select();

            foreach ($list as $row) {
                $row->visible(['id', 'category_id', 'qrwechatcode', 'brand_id', 'name', 'goods_price', 'sold_number', 'qrcode', 'thumbnail_image', 'goods_images', 'content', 'status', 'recommend', 'createtime', 'updatetime']);
                $row->visible(['category1']);
                $row->getRelation('category1')->visible(['name']);
                $row->visible(['category2']);
                $row->getRelation('category2')->visible(['name']);
                $row->visible(['category3']);
                $row->getRelation('category3')->visible(['name']);
            }
            $list = collection($list)->toArray();
            $result = array("total" => $total, "rows" => $list);
            return json($result);
        }
        return $this->view->fetch();
    }
}
